"We are blessed and excited to have this lovely young man join our family -- he is magnificent!" Grammer said in a statement. "Our son will be called Gabriel as there is a tradition in our family of going by our middle names."

Gabriel's full name is Kelsey Gabriel Elias Grammer. His famous father's full name is Allen Kelsey Grammer.

Grammer and his wife, who married in 2011, are already parents to daughter Faith, 2.

Grammer was previously married to Real Housewives of Beverly Hills star Camille Grammer. The pair had two children together, both born to a surrogate mother.